摘要：拓展引导词：in case（万一），on condition that（条件是），supposing(that)（假设），provided/providing(that)（如果；假如）。

以下是中考考试试题条件状语从句的详解及双语五十例句：

定义

条件状语从句是用来表示主句动作发生的条件的从句。

- if：意为“如果”，表示一种假设的条件。

- unless：意为“除非，如果不”，相当于if...not。

- as/so long as：意为“只要”。

- 拓展引导词：in case（万一），on condition that（条件是），supposing(that)（假设），provided/providing(that)（如果；假如）。

时态

遵循“主将从现/主祈从现/主情从现”原则，即主句为一般将来时/为祈使句/为含有情态动词的句子，从句用一般现在时。

位置

可置于句首，也可置于句尾。放在句首时，从句后通常用逗号与主句隔开；放在句末时，从句与主句之间一般不用逗号。

双语例句

If it rains tomorrow, we won't go to the park. 如果明天下雨，我们就不去公园了。

Unless you study hard, you won't pass the exam. 除非你努力学习，否则你不会通过考试。

As long as you believe in yourself, you can achieve your goals. 只要你相信自己，你就能实现目标。

If you feel tired, you should have a rest. 如果你觉得累了，你应该休息一下。

You can't go out to play unless you finish your homework. 除非你完成作业，否则你不能出去玩。

If you get up early, you can catch the first bus. 如果你早起，你就能赶上第一班车。

As long as the weather is fine, we will have a picnic. 只要天气好，我们就去野餐。

If you are late again, the teacher will be angry. 如果你再迟到，老师会生气的。

Unless it snows, we will go skiing tomorrow. 除非下雪，否则我们明天去滑雪。

If you want to be healthy, you should eat more vegetables. 如果你想保持健康，你应该多吃蔬菜。

As long as you work hard, you will make progress. 只要你努力工作，你就会取得进步。

If you break the window, you have to pay for it. 如果你打破了窗户，你得赔偿。

Unless you hurry up, you'll miss the movie. 除非你快点，否则你会错过电影。

If it is sunny this weekend, we'll go climbing. 如果这个周末天气晴朗，我们就去爬山。

As long as you don't give up, you will succeed. 只要你不放弃，你就会成功。

If you have a headache, you should see a doctor. 如果你头痛，你应该去看医生。

You won't get good grades unless you study carefully. 除非你认真学习，否则你不会取得好成绩。

If you come to my party, I'll be very happy. 如果你来参加我的派对，我会很高兴。

As long as you follow the rules, you won't get into trouble. 只要你遵守规则，你就不会惹麻烦。

If you forget my phone number, you can look it up. 如果你忘了我的电话号码，你可以查一下。

Unless you apologize, she won't forgive you. 除非你道歉，否则她不会原谅你。

If you practice speaking English every day, your English will improve. 如果你每天练习说英语，你的英语会提高。

As long as you have enough money, you can buy that car. 只要你有足够的钱，你就可以买那辆车。

If you are hungry, there is some food in the fridge. 如果你饿了，冰箱里有一些食物。

You can't watch TV unless you finish your chores. 除非你完成家务，否则你不能看电视。

If you go to bed early, you'll feel better in the morning. 如果你早点睡觉，早上你会感觉更好。

As long as you are honest with me, I'll trust you. 只要你对我诚实，我就会信任你。

If you lose your way, you can ask the police for help. 如果你迷路了，你可以向警察求助。

Unless you water the flowers, they will die. 除非你给花浇水，否则它们会枯萎。

If you study math hard, you'll be good at it. 如果你努力学习数学，你会擅长它的。

As long as you love music, you can enjoy the concert. 只要你热爱音乐，你就能享受这场音乐会。

If you don't wear a helmet, you'll be in danger when riding a bike. 如果你骑自行车时不戴头盔，你会有危险。

Unless it rains heavily, we'll have a football match. 除非下大雨，否则我们将举行一场足球比赛。

If you travel abroad, you need to have a passport. 如果你出国旅行，你需要有护照。

As long as you are careful, you won't make mistakes. 只要你细心，你就不会犯错。

If you are thirsty, there is some water in the bottle. 如果你口渴了，瓶子里有一些水。

You won't pass the driving test unless you practice more. 除非你多练习，否则你不会通过驾驶考试。

If you like reading, you can borrow books from the library. 如果你喜欢阅读，你可以从图书馆借书。

As long as you keep smiling, life will be better. 只要你保持微笑，生活就会更美好。

If you don't clean your room, it will be very messy. 如果你不打扫你的房间，它会非常乱。

Unless you turn off the light, it will waste electricity. 除非你关掉灯，否则会浪费电。

If you exercise regularly, you'll be strong and healthy. 如果你经常锻炼，你会强壮健康。

As long as you have a dream, you should work hard for it. 只要你有梦想，你就应该为之努力。

If you don't like this dress, you can choose another one. 如果你不喜欢这条裙子，你可以选另一条。

Unless you finish your project, you can't go on vacation. 除非你完成你的项目，否则你不能去度假。

If you want to be a good singer, you need to practice singing. 如果你想成为一名好歌手，你需要练习唱歌。

As long as you are friendly to others, you'll have many friends. 只要你对别人友好，你就会有很多朋友。

If you touch the hot stove, you'll get burned. 如果你碰热炉子，你会被烫伤。

Unless you have a ticket, you can't enter the cinema. 除非你有票，否则你不能进入电影院。

If you help others, others will help you in return. 如果你帮助别人，别人也会帮助你作为回报。

来源：蒙古元素